1. This section provides descriptions of assorted transcripts used internally or externally. It includes some transcript request and certifying transcripts procedures. In general, only transcripts designed for taxpayer use should be sent to taxpayers. It also includes information on the Transcript Delivery System (TDS), which is an automated system that delivers tax account and return information to the user instantly along with an appropriate cover letter (when applicable) or to the taxpayer through the post mail feature.